21 加法 22 等于多少？
21 + 22 = 43
21加法22 等于 43
竖式演算
验算
- 用减法验算：43 − 22 = 21
- 用减法验算：43 − 21 = 22
相关题目
21 + 21 = 42
21 + 23 = 44
21 + 20 = 41
21 + 24 = 45
21 + 19 = 40
21 + 25 = 46
21 + 26 = 47
21 + 18 = 39
20 + 22 = 42
22 + 22 = 44
19 + 22 = 41
23 + 22 = 45
24 + 22 = 46
18 + 22 = 40
25 + 22 = 47
17 + 22 = 39
1 + 42 = 43
2 + 41 = 43
3 + 40 = 43
4 + 39 = 43
5 + 38 = 43
6 + 37 = 43
49 + 20 = 69
2 + 93 = 95
40 + 35 = 75
3 + 45 = 48
46 + 20 = 66
13 + 43 = 56
45 - 2 = 43
58 - 15 = 43